Determining temperature and time dependent Poisson’s ratio of asphalt concrete using indirect tension test

Islam, Rashadul; Faisal, Hasan M.; Tarefder, Rafiqul A.

doi:10.1016/j.fuel.2015.01.028

Cited by 32 publications

(4 citation statements)

References 10 publications

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“…The non-aging viscoelastic behavior of bitumen. The Poisson's ratio of asphalt concrete increases with temperature [22,31,32] and testing time [33,32] and decreases with frequency [22,31,34,32]. The viscoelastic behavior of bitumen is commonly assumed to be purely deviatoric [35,36,37] to model asphalt concrete as a composite material by discrete elements [38,39].…”

Section: Validation Of the Proposed Methods Against A Reference Solutimentioning

confidence: 99%

“…The equation above can be pictured as a linear approximation of the viscoelastic Eshelby's tensor on the space of compliances having J m as reference compliance. Errors are triggered by assuming the eigenstrain history ∆ε * to be null outside of the ellipsoid in equation (34) and by neglecting the term ∆J:∆σ in equation (32). The effect of these approximations on the estimated overall response of a composite material is investigated in section 1.4.2, on a non-aging material, where a reference solution can be computed in the Fourier domain.…”

Section: The Approximated Viscoelastic Eshelby's Tensormentioning

confidence: 99%

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An approximate multiscale model for aging viscoelastic materials exhibiting time-dependent Poisson's ratio

Lavergne

Sab

Sanahuja

et al. 2016

Cement and Concrete Research

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International audienceA multi-scale homogenization scheme is proposed to estimate the time-dependent strains of fiber-reinforced concrete. This material is modeled as an aging linear viscoelastic composite material featuring ellipsoidal inclusions embedded in a viscoelastic cementitious matrix characterized by a time-dependent Poisson's ratio. To this end, the homogenization scheme proposed in Lavergne et al. [1] is adapted to the case of a time-dependent Poisson's ratio and it is successfully validated on a non-aging material computed in the Fourier domain. Finally, the new extended estimates of the time-dependent strains of fiber-reinforced concrete are compared to the experimental measurements of Chern and Young [2] and the effects of the volume fraction and aspect ratio of the steel fibers on the time-dependent strains of fiber-reinforced concrete are investigated

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Section: Validation Of the Proposed Methods Against A Reference Solutimentioning

confidence: 99%

Section: The Approximated Viscoelastic Eshelby's Tensormentioning

confidence: 99%

An approximate multiscale model for aging viscoelastic materials exhibiting time-dependent Poisson's ratio

Lavergne

Sab

Sanahuja

et al. 2016

Cement and Concrete Research

View full text Add to dashboard Cite

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“…This coefficient is defined as the ratio of the lateral contraction ε to the elongation ε‖ and is determined by the formula: μ = −ε/ε‖. It linearly describes the elastic isotropic materials that have infinitely small deformation gradient uniaxial extensions [ 12 ]. Fereira et al showed that polylactide with carbon fiber has a better Poisson’s coefficient than pure PLA [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Examination of Low-Cyclic Fatigue Tests and Poisson’s Ratio Depending on the Different Infill Density of Polylactide (PLA) Produced by the Fused Deposition Modeling Method

et al. 2023

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This article examines the impact of fatigue cycles on polylactide samples produced by 3D printing using the FDM method. Samples were printed in three infill degree variants: 50%, 75% and 100%. To compere the influence of infill degree on PLA properties, several tests, including the uniaxial tensile test, the low-cycle fatigue test, differential scanning calorimetry (DSC) and scanning electron microscopy (SEM), were conducted. Poisson’s ratio has also been studied. Single hysteresis loops were summed to obtain the entire low-fatigue cycle. The infill of density influenced all compared mechanical parameters. The decrease in infill degree caused the reduction of Young’s modulus and shear modulus. For a 100% degree of sample infill, a higher number of transferred load cycles were observed compared to PLA with 75% and 50% of infill. Additionally, the value of the transferred cyclic load before fatigue failure and the dissipation of mechanical energy was the highest for 100% of infill. It is also worth noting that fatigue tests can positively affect the appearance of the PLA structure. Obviously, it depends on the number of load cycles and the infill density. It causes that if the goal is to transfer as much load as possible over a long period of time, the maximum filling of the printed element should be used.

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“…The results showed that Young's modulus increased with the input frequency. Islam, M. R et al [10] utilized a concrete resonant column to study Poisson's ratio with different input frequencies. This method is suitable for highway engineering, but not for isolated structures.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Analysis of a Spring-Asphalt Three-Dimensional Isolation System Based on Cyclic Simple Shear and Shaking Table Tests

Shang

Wang

2020

Applied Sciences

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Damping is one of the important issues related to isolated structures, including the newly proposed low-cost spring-asphalt isolation system. In this study, the damping properties of the system in terms of displacement dependence, frequency dependence and temperature dependence were studied by a cyclic simple shear experiment. Then, the direct least-square method was used to identify the damping properties from the experimental data. Furthermore, to validate the effectiveness of the damping device, a modal analysis was conducted based on multi-dimensional shaking table tests. The results indicate that (1) the hysteretic curves are similar to an ellipse, which means that the asphalt shows characteristics of viscoelastic materials; (2) the damping properties are positively related to the loading frequency and inversely related to the temperature and displacement; and (3) asphalt can provide adequate damping and reduce the displacements of the superstructure by nearly half. On the basis of the experimental test results, an analysis of the modal information with multi-dimensional input is also presented.

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Determining temperature and time dependent Poisson’s ratio of asphalt concrete using indirect tension test

Cited by 32 publications

References 10 publications

An approximate multiscale model for aging viscoelastic materials exhibiting time-dependent Poisson's ratio

An approximate multiscale model for aging viscoelastic materials exhibiting time-dependent Poisson's ratio

Examination of Low-Cyclic Fatigue Tests and Poisson’s Ratio Depending on the Different Infill Density of Polylactide (PLA) Produced by the Fused Deposition Modeling Method

Dynamic Analysis of a Spring-Asphalt Three-Dimensional Isolation System Based on Cyclic Simple Shear and Shaking Table Tests

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